Microsoft routing and remote access

I have a new MS small Buisness server. It has two NICs. I have 4 PCs that need to get to the internet. I am planning on using exchange to handle my mail as well.
My question is what would be the best way to set up Routing and remote access to allow those PC to get to the net. I will use 192.168.2.X 255.255.255.0 as my internal subnet and I have a static IP from my ISP. How should I configure the nics to route the traffic properly?

Depends on the edition of SBS, and how the router that connects you to the Internet is set up.

Premium Edition comes with ISA Server included and I recommend to use ISA proxy server and the Firewall client. You don't need to configure RRAS in that case.

If you have a router, configure the Internet NIC first so the server itself can get on the Internet. Do you have the IP address of the router that connects to the Internet? You'll have to use that as the default gateway on the External NIC.

Without ISA Server, set up the RRAS server manually. When configured and started, right-click on General and select New Routing Protocol. Add Network Address Translation (NAT) from the list.

Open Network Address Translation from the tree in the left pane, right-click on the empty, right pane, and add both Interfaces. One interface is the private interface, the other is the public interface (also enable the Translate UDP/TCP toggle). On the public interface, also select Basic Firewall to activate the firewall. If you need to pass SMTP to the inside Exchange server, this page also allows you to forward port 25 to the Exchange Server.

I hope this helps any.

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bwalker9Author Commented: 2006-04-20

It is the premium edition and I would like to use ISA. I do not have a router I was going to plug right into the server from the internet on the first NIC and have the local on the 2nd NIC. So I guess How would I set up the ISA proxy server to allow internet access that way?

There must be a router somewhere, you can't have an internet connection without any. Where does the network cable come from?

You will need to enter the router's IP address as the default gateway on the Internet NIC, so I'm afraid you'll need this information to set it all up.

After running the Small Business Server installation wizard (which installs the domain, Exchange, SQL server, etc) you'll have to run the Internet Connection Wizard from the Task List. That will guide you through the ISA server configuration and it will prompt for all kinds of information (i.e. Internet and e-mail domain name, which traffic you want to allow in, IP addresses, etc).

Included with Small Business Server is a Getting Started guide that you should read, it contains all kinds of important information you should have before configuring a SBS.

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bwalker9Author Commented: 2006-04-20

It is connected right from the cable modem. Do I hve to manually configure the NICs, gateways IPs etc...should the gateway for the local NIC be set to the Internet NIC?

Does the cable modem require a specific computer name to be configured? That info should be provided by the ISP.

If you plug in the network cable into the server right now (with firewall enabled, of course) then can you browse the web already? Do you receive a public IP address on the Internet NIC? (it should not be 0.0.0.0 or 169.254.x.x). If you do, start the Internet Connection Wizard from the SBS Task list.

Don't set a default gateway on the LAN NIC (internal), that should be left empty. The wizard should take care of that.